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坚持开放创新 突出AI应用⑦|长虹爱创AI“释放”AOI工程师创造力

坚持开放创新 突出AI应用⑦|长虹爱创AI“释放”AOI工程师创造力

在长虹爱创科技PCBA车间,AOI工程师杨兴明在AI辅助编程系统上导入一款新产品的样板图片,系统自动完成检测框布设与参数初始化。屏幕弹出提示:程序编辑完成,耗时30分钟。他复核了几个关键点位,点击确认,设备上线运行。

放在几年前,这段程序够他熬几个通宵了,同一款产品、同一个人,时间从“按宿算”压缩到“按分钟算”——只隔了一次“换脑”。

01

人与“框”的战争:

AOI工程师困在画框里的那几年

杨兴明至今记得2024年一季度那场教训。冰箱变频产品批次更换新型0402规格电阻——那是比米粒还小、肉眼几乎看不清的元器件。他接手AOI程序制作后,连续两晚熬夜:手动框选检测区域、逐个设定阈值参数、反复校准判定边界。

传统AOI编程是全手工活。一块板卡几百上千个元器件,每一个都要人工划定检测框、设定判定阈值。更棘手的是0402这类微小元件,虚焊、引脚偏位等隐蔽缺陷,人工编辑的检测框覆盖面稍有偏差就会漏判。上线后,单日误报弹窗400余条。班组复判员被淹没在“假警报”里,真正有问题的板卡反而成了漏网之鱼——2片板卡细微焊盘上锡不足漏检,径直流入后工序。事后复盘整改耗时整整一周,物料报废、交付延期,代价沉重。

同一款焊点,张工画的检测框偏大,李工画的偏小;早班松一点,晚班紧一点。同一批板卡在不同AOI设备上的检出结果天差地别。资深技术员陷在画框调参的机械活里脱不开身,新人上手光记判定规则就要两三个月。产线最怕换型——AOI程序迭代动辄3到4个小时,多机型轮番切换时,流水线就干等着。车间里流传着一句话:“设备等程序,程序等人,人等一个框画完。”

02

五次失败与三万次标注:

从“人工画框”变“AI点一点”

这套系统的立项目标明确:编程从“人工画框”变“AI点一点”,判定从“人各有标”变“一标到底”,误报从“泛滥成灾”压到“精准拦截”,新人从“跟学数月”缩到“一周上手”。

但推进中第一道坎就险些卡死项目。产品多样化带来的样本杂乱、缺陷特征难以精准建模。基板反光、元器件色差、灯光扰动——任何波动都可能让AI“看走眼”。初期模型对异形焊点、0402元件的识别精准度严重不足,连续五次现场实测,漏检率均不达标。

团队的选择是:扎根车间,死磕到底。杨兴明白天跟班采集实拍图像,夜间标注缺陷样本,把车间验收规则一条条植入AI训练集。三万张样本照片堆满硬盘,也撑起了模型的骨架。团队联动工艺人员,把“焊盘上锡高度≥75%”“引脚偏移≤元件宽度的1/4”等现场标准,翻译成AI能理解的判定参数。

转机出现在第五次迭代之后。AI自动框选准确率终于越过投产红线。上线调试阶段,老旧机型非标焊点,AI生成参数偏保守,误报依旧偏多。团队调取历史不良台账,定向扩充专属样本库,精细调整AI阈值,把“工艺允许的轻微差异”和“必须拦截的真实不良”区分开。老技术员对AI一键生成将信将疑,团队保留“AI自动生成+人工一键修正”的混合模式,手把手带教,一周内全员上手。

03

多出来的3个半小时:

AI把工程师从屏幕前拉回了产线

系统投用后,变化肉眼可见。

改版前,一款新程序手动调试4到6小时;改版后,AI导入样板图片,30分钟左右完成初版,复核即可上线。换线编程缩短至10分钟以内,缺陷检出率99.95%,误报率下降50%以上。

人员结构也在变。资深技术员从画框调参的机械重复中解放,转向工艺标准优化和疑难不良分析。新人跟着AI辅助,一周即可独立完成基础编程。把人从重复里解放出来,让机器去做重复,让人去做判断。品质管控同步提升,统一检测规则消除了班组间的主观判定差异,元件直通率稳定在98.4%,AOI从产线的“拖油瓶”变成了质量防线的“守门人”。

这套方案正在长虹爱创全面铺开。冰箱变频、汽车电子PCBA已完成适配,后续覆盖全系列多规格板卡。检测数据对接MES系统,自动汇总不良高发点位,反向追溯根源工序。更长远是模型自学习——现场确认新不良类型后,AI自动更新样本库,无需频繁人工重建。

从编程到质检,人工智能正以最朴素的方式走进车间——不是在造无所不能的“超级大脑”,而是把每一个被重复劳动困住的工程师,拉回真正的工程现场。

图文:党委宣传部

主编:张勤

审核:陈靖元

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  1. CONNECT:[ UseTime:0.001249s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001820s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000762s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000691s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001616s ]
  6. SELECT * FROM `set` [ RunTime:0.000621s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001801s ]
  8. SELECT * FROM `article` WHERE `id` = 956012 LIMIT 1 [ RunTime:0.001175s ]
  9. UPDATE `article` SET `lasttime` = 1787314187 WHERE `id` = 956012 [ RunTime:0.009598s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000644s ]
  11. SELECT * FROM `article` WHERE `id` < 956012 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001199s ]
  12. SELECT * FROM `article` WHERE `id` > 956012 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001076s ]
  13. SELECT * FROM `article` WHERE `id` < 956012 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008220s ]
  14. SELECT * FROM `article` WHERE `id` < 956012 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002141s ]
  15. SELECT * FROM `article` WHERE `id` < 956012 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002192s ]
0.239570s